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\subsubsection{Importing data}  The SED Builder handles SED I/O. As described in Section \ref{sec:overview}, Iris accepts data from a variety of sources, and is lenient on the data format. Figure \ref{fig:data_sources} illustrates that Iris imports data from built-in data archive portals as well as from outside resources like local files, URLs, other VO-enabled applications, and from plugins.  Iris natively supports IVOA-compliant FITS and VOTable formats (described in \cite{2012arXiv1204.3055M}). \cite{http://adsabs.harvard.edu/abs/2012arXiv1204.3055M}).  Files in these formats will automatically be added to SED Builder and the visualizer. The Builder can convert ASCII Tables, CSV, Tab-Seprated-Tables, IPAC tables [REFERENCE], SAMP messages, and non-IVOA-compliant VOTable and FITS files into the native format with user input. We provide two file converted forms: (1) the Import Setup Frame, which handles spectrum-style files (i.e. those with columns for the spectral, flux and flux uncertainties), and (2) the Photometry Catalog Importer, which handles photometry catalogs (i.e. files where each column represents a passband and the values represent the fluxes). Users can save their setup options from the Import Setup Frame to a configuration file and automatically read-in files of the same format to Iris via the command line. %